@misc{Rouse_Ball_Walter_William_(1850–1925)_Mersenne's_1891-1892, author={Rouse Ball, Walter William (1850–1925)}, volume={XXI}, editor={Glaisher, James Whitbread Lee (1848–1928)}, copyright={Public Domain}, address={London ;}, address={Cambridge}, journal={The Messenger of Mathematics}, howpublished={online}, year={1891-1892}, publisher={Macmillan and Co.}, language={eng}, language={eng}, title={Mersenne's numbers (Addition to a previous paper)}, type={Text}, URL={http://rcin.org.pl./Content/108980/PDF/WA35_87703_cz294-1892-t21_Art18.pdf}, }